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I was looking at Blockchain.info's tx volume (in BTC) over the previous year. It goes from about 100k to 400k BTC per day with a peak of over 850k BTC around November. https://blockchain.info/charts/my-wallet-transaction-volume

However, if you look at their graph of the total bitcoin network tx volume over a similar time perdiod, it goes from 100k to 300k without similar peaks. https://blockchain.info/charts/estimated-transaction-volume

This makes it seem like they are doing more volume than the entire network. Is this is a bug, or are they counting something differently (like maybe a send between two wallets is counted twice)? Thanks.

BubbaGump
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The estimated transaction volume chart is processed in a way that it removes any change and send-to-self values inside a transaction from its total value. If you want to see the raw chart then you should be looking at the output volume chart instead.

  • Are you saying that https://blockchain.info/charts/my-wallet-transaction-volume is measuring total output volume, so it is more comparable to https://blockchain.info/charts/output-volume ? I'm not sure why my-wallet volume would measure total outputs - I'm assuming they have the data for the real amount entered by the user? – BubbaGump Dec 16 '14 at 04:35
  • Yes, https://blockchain.info/charts/my-wallet-transaction-volume displays the transaction volume of the My Wallet service, while https://blockchain.info/charts/output-volume displays the total value of all transaction outputs per day which includes coins that were returned to the sender as change. AFAIK an estimated transaction volume chart is not currently publicly available for My Wallet transactions. –  Dec 16 '14 at 04:53
  • Got it - I think you're right this must be the reason. Seems a bit misleading though because https://blockchain.info/charts/my-wallet-transaction-volume is not showing transaction volume like you said, it is showing total outputs. – BubbaGump Dec 16 '14 at 18:43